The Shallow-Water Cradle of Vertebrate Evolution (6 of 17) (IMAGE)
Caption
A streamlined jawless thelodont swims over the early reefs of Sweden 440 million years ago. This material relates to a paper that appeared in the Oct. 26, 2018 issue of Science, published by AAAS. The paper, by Lauren Sallan at University of Pennsylvania in Philadelphia, PA, and colleagues was titled, "The nearshore cradle of early vertebrate diversification."
Credit
Nobumichi Tamura
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